The utility model relates to the field of medical equipment, specifically a cranium brain cooling appearance ice cap, including the cap body, the cap body comprises internal frame and a plurality of block, the internal frame lower part is the shade, and upper portion is half spherical structure that is formed by the concatenation of a plurality of regular hexagon, the block is regular hexagon, theinternal frame surface is equipped with velcro female face, the block bottom surface is equipped with velcro tape surface, the block can detachable adhesion on the internal frame, the inside cavity structure for placing the ice -cube of block, the outside is equipped with sealed zip fastener, internal frame top internal surface is equipped with the temperature detect ware, the temperature detectware is connected with temperature monitor. The utility model discloses the block in corresponding region just can be dismantled closely as required to the cooperation between the block, is convenientfor observe and the treatment, guarantees the cooling effect, keeps away avoiding pressure sore and frostbite simultaneously.